1 files changed, 37 insertions, 0 deletions
diff --git a/release/src/router/busybox/coreutils/printenv.c b/release/src/router/busybox/coreutils/printenv.c
new file mode 100644
index 00000000..2430f3a1
--- /dev/null
+++ b/release/src/router/busybox/coreutils/printenv.c
@@ -0,0 +1,37 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * printenv implementation for busybox
+ *
+ * Copyright (C) 2005 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2005 by Mike Frysinger <vapier@gentoo.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "libbb.h"
+
+int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int printenv_main(int argc UNUSED_PARAM, char **argv)
+{
+	int exit_code = EXIT_SUCCESS;
+
+	/* no variables specified, show whole env */
+	if (!argv[1]) {
+		int e = 0;
+		while (environ[e])
+			puts(environ[e++]);
+	} else {
+		/* search for specified variables and print them out if found */
+		char *arg, *env;
+
+		while ((arg = *++argv) != NULL) {
+			env = getenv(arg);
+			if (env)
+				puts(env);
+			else
+				exit_code = EXIT_FAILURE;
+		}
+	}
+
+	fflush_stdout_and_exit(exit_code);
+}